feat: wireguard / vproxy configuration

internal/tui/config.go

@@ -30,6 +30,7 @@ func GenerateConfigTOML(cv ConfigValues) (string, error) {
 	// [certificate]
 	sb.WriteString("# Certificate Options\n")
 	sb.WriteString("[certificate]\n")
+	sb.WriteString(fmt.Sprintf("mapped_dir = %q\n", cv.Cert["cert_dir_path"]))
 	sb.WriteString(fmt.Sprintf("cert_path = %q\n", "/app/certs/"+cv.Cert["cert_name"]))
 	sb.WriteString(fmt.Sprintf("key_path = %q\n", "/app/certs/"+cv.Cert["key_name"]))
 	sb.WriteString(fmt.Sprintf("ca_path = %q\n", "/app/certs/"+cv.Cert["ca_name"]))
@@ -52,6 +53,36 @@ func GenerateConfigTOML(cv ConfigValues) (string, error) {
 	return sb.String(), nil
 }
 
+func GenerateWireguardConfig(cv ConfigValues) (string, error) {
+	var sb strings.Builder
+
+	// Primary Wireguard Settings
+	sb.WriteString(fmt.Sprintf("PRIVKEY=%s\n", cv.Wireguard["privkey"]))
+	sb.WriteString(fmt.Sprintf("VIP=%s\n", cv.Wireguard["vip"]))
+	sb.WriteString(fmt.Sprintf("PSK=%s\n", cv.Wireguard["psk"]))
+	sb.WriteString(fmt.Sprintf("PROXY_EDPS=%s\n", cv.Wireguard["proxy_edps"]))
+
+	sb.WriteString("\n# MTU Opcional\n")
+	if mtu, ok := cv.Wireguard["mtu"]; ok && mtu != "" {
+		sb.WriteString(fmt.Sprintf("MTU=%s\n", mtu))
+	} else {
+		sb.WriteString("# MTU=1380\n")
+	}
+
+	sb.WriteString("\n# Especifica o protocolo de transmissao\n")
+	sb.WriteString("# Default: UDP -> Manter se possivel, melhor performance e estabilidade.\n")
+	sb.WriteString("# Alguns firewalls restritivos podem impedir o trafego UDP.\n")
+	sb.WriteString("# Se nao for possivel negociar a abertura com o cliente, tentar usar TCP\n")
+
+	proto := cv.Wireguard["proto"]
+	if proto == "" {
+		proto = "UDP"
+	}
+	sb.WriteString(fmt.Sprintf("PROTO=%s\n", proto))
+
+	return sb.String(), nil
+}
+
 func WriteConfigFile(cv ConfigValues, path string) error {
 	// Validate numeric fields before writing
 	numericFields := map[string]string{
@@ -73,3 +104,19 @@ func WriteConfigFile(cv ConfigValues, path string) error {
 
 	return os.WriteFile(path, []byte(content), 0644)
 }
+
+func WriteWireguardConfigFile(cv ConfigValues, path string) error {
+	// Validate numeric fields before writing
+	if mtu, ok := cv.Wireguard["mtu"]; ok && mtu != "" {
+		if _, err := strconv.Atoi(mtu); err != nil {
+			return fmt.Errorf("o campo MTU deve ser um número, recebido: %q", mtu)
+		}
+	}
+
+	content, err := GenerateWireguardConfig(cv)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(path, []byte(content), 0644)
+}